# File temp/Graph/Graph.rb, line 368
      def calculate_left_margin
        @border_left = 7
        # Check for Y labels
        max_y_label_height_px = rotate_y_labels ? 
          y_label_font_size :
          get_y_labels.max{|a,b| 
            a.to_s.length<=>b.to_s.length
          }.to_s.length * y_label_font_size * 0.6
        @border_left += max_y_label_height_px if show_y_labels
        @border_left += max_y_label_height_px + 10 if stagger_y_labels
        @border_left += y_title_font_size + 5 if show_y_title
      end